$height-1x) {\n  background-image: url($file-1x);\n\n  // Autoprefixer takes care of adding -webkit-min-device-pixel-ratio and -o-min-device-pixel-ratio,\n  // but doesn't convert dppx=>dpi.\n  // There's no such thing as unprefixed min-device-pixel-ratio since it's nonstandard.\n  // Compatibility info: https://caniuse.com/css-media-resolution\n  @media only screen and (min-resolution: 192dpi), // IE9-11 don't support dppx\n    only screen and (min-resolution: 2dppx) { // Standardized\n    background-image:...

pkg time, func NewTimer(Duration) *Timer
pkg time, func Now() Time
pkg time, func Parse(string, string) (Time, error)
pkg time, func ParseDuration(string) (Duration, error)
pkg time, func Since(Time) Duration
pkg time, func Sleep(Duration)
pkg time, func Tick(Duration) <-chan Time
pkg time, func Unix(int64, int64) Time
pkg time, method (*Location) String() string